A product has a wholesale price of $876 less 27% and 8%. Mark-up on cost is 29%, while operating expenses are 16% of selling price. If the retailer sells the product for $645.09, determine the rate of mark-up realized.

Each of the following annuities involves future values. Compute the missing numbers. Use Tables 23-1A and 23-1B or a calculator.
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The absolute value of the difference between the point estimate and the population parameter it estimates is the _____ error.

A) standard
B) sampling
C) efficient
D) finite

A group of college students believes that herbal tea has remarkable restorative powers.To test its theory,the group makes weekly visits to a local nursing home,visiting with residents,talking with them,and serving them herbal tea.After several months many of the residents are more cheerful and healthy.What is the lurking variable in this experiment?

A) The emotional state of the residents
B) Herbal tea
C) The fact that this is a local nursing home
D) Visits of the college students

A numerical description of the outcome of an experiment is called a

A) descriptive statistic.
B) probability function.
C) variance.
D) random variable.